VU#475445: SAML Authentication Bypass

Severity

Medium

Vendor

Duo Security

Description

Multiple SAML libraries may incorrectly utilize the results of XML DOM traversal and canonicalization APIs in such a way that an attacker may be able to manipulate the SAML data without invalidating the cryptographic signature, allowing the attack to potentially bypass authentication to SAML service providers.

Affected Pivotal Products and Versions

Severity is
medium
unless otherwise noted.

The Cloud Foundry team has determined that the UAA project is not exposed to this vulnerability and therefore does not require any upgrades.

The Pivotal Spring team has determined that Spring Security SAML is not exposed to this vulnerability when using default settings and therefore does not require any upgrades. Please review the advisory under References if you have customized the ParserPool configuration.